Except for add_squares, telling the compiler that the output vector(s)
cannot alias helps quite a bit (cycles on SiFive U74-MC):
ps_add_squares_c: 98277.7
ps_add_squares_r: 98320.2
ps_hybrid_analysis_c: 3731.2
ps_hybrid_analysis_r: 2495.7
ps_hybrid_analysis_ileave_c: 20478.0
ps_hybrid_analysis_i
From: Rémi Denis-Courmont
Except for add_squares, telling the compiler that the output vector(s)
cannot alias helps quite a bit (cycles on SiFive U7-MC):
ps_add_squares_c: 98277.7
ps_add_squares_r: 98320.2
ps_hybrid_analysis_c: 3731.2
ps_hybrid_analysis_r: 2495.7
ps_hybrid_analysis_ileave_c: 2
